SSC JE EE Quiz: Estimation & Costing Booster Quiz-14

Earthing equipment gives protection against____

As per I.E Rules, the insulation resistance between conductor and earth should not be less than _______

A lighting sub-circuit has 100 W lamps. If the rated current of the fuse in this circuit is 5A, the maximum number of light points on this circuit without violating regulations and safety should be____

The minimum size of Aluminium cable for lighting circuit is _____Sq.mm.

Theft of electricity is deal in ______of Indian electricity rules.

According to BIS, the maximum load in a light circuit should not exceed______

The lamp thar cannot sustain much voltage fluctuations are: -

An illumination of 25 lux is to be produced on the floor of a room 12m × 9m, 18 Lamps are required to produce this illumination in the room, if 50% of the emitted light falls on the floor. What is power of the Lamp in Candela? assume maintenance factor = 1

Which bulb operates on the lowest power.

A small assembly shop 16m long, 10m wide, and 3m up to trusses is to be illuminated to a level of 200 lux. The utilization and maintenance factor are 0.74 and 0.8 respectively. Calculate the no. of Lamp required to illuminate the whole area if the lumen output of the lamp selected is 3000 lumens.